Solid-solute phase equilibria in aqueous solution. IV. Calculation of Phase Diagrams
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Königsberger, E. and Gamsjäger, H. (1990) Solid-solute phase equilibria in aqueous solution. IV. Calculation of Phase Diagrams. Zeitschrift für anorganische und allgemeine Chemie, 584 (1). pp. 185-193.
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Abstract
The thermodynamic principles of conventional (T-x, P-T) phase diagrams and solubility (log ΣK-x) diagrams depicting solid-solute phase equilibria in aqueous solution are derived from a unifying point of view. It is shown that thermodynamic quantities necessary for the construction of conventional phase diagrams can be obtained from solubility measurements. The unary system calcite-aragonite and the binary system aragonite-strontianite, where solubility data are available over the whole compositional range, have been selected as examples. In the latter case, the constraint of constant composition of the solid phase leading to a metastable equilibrium with the respective solute species is an essential point in the thermodynamic derivation and was observed experimentally as well.
| Item Type: | Journal Article |
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| Publisher: | Verlag GmbH & Co. KGaA, Weinheim |
| Copyright: | © 1990 Verlag GmbH & Co. KGaA, Weinheim |
| URI: | http://researchrepository.murdoch.edu.au/id/eprint/6514 |
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